87725063 has 2 divisors, whose sum is σ = 87725064. Its totient is φ = 87725062.

The previous prime is 87725051. The next prime is 87725081. The reversal of 87725063 is 36052778.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87725063 - 2⁴ = 87725047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87725023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43862531 + 43862532.

It is an arithmetic number, because the mean of its divisors is an integer number (43862532).

Almost surely, 2^87725063 is an apocalyptic number.

87725063 is a deficient number, since it is larger than the sum of its proper divisors (1).

87725063 is an equidigital number, since it uses as much as digits as its factorization.

87725063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 87725063 is about 9366.1658644293. The cubic root of 87725063 is about 444.3323118203.

The spelling of 87725063 in words is "eighty-seven million, seven hundred twenty-five thousand, sixty-three".